spi: xilinx: Massage xilinx_spi.h

Merge series from Andy Shevchenko <andriy.shevchenko@linux.intel.com>:

Fix kernel documentation and inclusion block, and dropping the size
of the num_chipselect.

include/linux/spi/xilinx_spi.h

@@ -2,19 +2,23 @@
 #ifndef __LINUX_SPI_XILINX_SPI_H
 #define __LINUX_SPI_XILINX_SPI_H
 
+#include <linux/types.h>
+
+struct spi_board_info;
+
 /**
  * struct xspi_platform_data - Platform data of the Xilinx SPI driver
- * @num_chipselect:	Number of chip select by the IP.
- * @little_endian:	If registers should be accessed little endian or not.
- * @bits_per_word:	Number of bits per word.
  * @devices:		Devices to add when the driver is probed.
  * @num_devices:	Number of devices in the devices array.
+ * @num_chipselect:	Number of chip select by the IP.
+ * @bits_per_word:	Number of bits per word.
+ * @force_irq:		If set, forces QSPI transaction requirements.
  */
 struct xspi_platform_data {
-	u16 num_chipselect;
-	u8 bits_per_word;
 	struct spi_board_info *devices;
 	u8 num_devices;
+	u8 num_chipselect;
+	u8 bits_per_word;
 	bool force_irq;
 };